/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package com.rtech.billing.pdf.sevlet;

import com.rtech.billing.pdf.conversion.PDFGenerator;
import com.rtech.billing.pdf.conversion.PDFGeneratorWithWatermark;
import com.rtech.billing.pdf.conversion.SimplePDFGenerator;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author rattank
 */
public class CreatePDFServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        PDFGenerator pdfg ;
        boolean isHeaderRequired = false;
        boolean isWatermarkRequired = false ; 
        try {
            String pdfText = request.getParameter("elm1") ;
            String pdfFileName = request.getParameter("fileName") ;
            String watermark = request.getParameter("watermark");
            if("true".equalsIgnoreCase(watermark)){
                 isWatermarkRequired = true ;
            }
            String header = request.getParameter("header");
            if("true".equalsIgnoreCase(header)){
                 isHeaderRequired = true ;
            }
            
//            PDFGenerator pdfg = new PDFGenerator();
            if(isWatermarkRequired){
                pdfg = new PDFGeneratorWithWatermark();
            }else{
                pdfg = new SimplePDFGenerator();
            }
            String result = pdfg.createPDF(pdfFileName, pdfText , isHeaderRequired);
            request.setAttribute("filePath", result);
            RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/result.jsp");
            dispatcher.forward(request,response);
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
